Operating System : Windows 10 Home & Pro, Ubuntu Linux, Free DOS Display Size : 12.5'' Display Max Resolution : 1366 x 768 Chipset : Intel QM87 Processors : Intel Core i3,i5,i7 4th Gen Ram Memory : Two (2) SODIMM slots, Up to 16 GB DDR3 1600MHz Hard Disk Drive : Up to 256 SSD Graphics : Intel HD Graphics 4600 Network Adapter : Gigabit Ethernet WiFi : Yes Web Camera : Yes Optical Disc Drive : No Optical Drive USB : 2 x USB 3.0 Ports : HDMI, mini DP, RJ-45, SmartCard Reader, Card Reader Power Supply Adapter : 90W Dimensions : 31.1 x 21.1 x 2 cm Weight : 1.63 kg